TY  - BOOK
AU  - Welch, John F
TI  - Van Sickle's modern airmanship
SN  - 0442257937
PY  - 1971///
CY  - New York
PB  - Van Nostrand Reinhold Company
KW  - Aeronautics
KW  - Aerodynamics
KW  - Helicopters
KW  - Aerial proppellers
KW  - Bombers
KW  - Jet planes
KW  - Aironautics
KW  - Airmanship
ER  -